.main .w ul{
    overflow: hidden;
    margin-top: 50px;
    padding: 50px 0 74px 10px;
    border-top: 1px solid #e6e6e6;
}
.main .w ul li{
    float: left;
    margin-right: 30px;
    text-align: center;
    width: 278px;   
    font-size: 14px;
    line-height: 28px;
}
.main .pic{
    text-align: center;
}
.main .w ul{
    border-top: none;
}